These organelles are Chloroplasts.
Explanation:
- Chloroplast is a plastid present in plant cells.
- These contain stacks of thylakoid forming Grana.
- Each thylakoid contain green pigment called chlorophyll that traps sunlight to carry out photosynthesis.
- Chloroplasts is a double membrane bound organelle having its own DNA.
- Chloroplasts are considered as one of the organelles that originated as a result of endosymbiosis of photosynthetic bacteria.
Porifera
Evidence that supports this includes the lack of true tissue in sponges and the close similarity between choanocytes and choanoflagellates.
Tick inject a toxin into the body to keep the blood from coagulating. Some people are really allergic to the toxin, so this causes an itch.
